import Controller from '@ember/controller';
import { action } from '@ember/object';
import { tracked } from '@glimmer/tracking';
import { inject as service } from '@ember/service';

export default class EvaluationsController extends Controller {
  @service userSettings;

  queryParams = ['nextToken', 'pageSize', 'status'];

  get shouldDisableNext() {
    return !this.model.meta?.nextToken;
  }

  get shouldDisablePrev() {
    return !this.previousTokens.length;
  }

  get optionsEvaluationsStatus() {
    return [
      { key: null, label: 'All' },
      { key: 'blocked', label: 'Blocked' },
      { key: 'pending', label: 'Pending' },
      { key: 'complete', label: 'Complete' },
      { key: 'failed', label: 'Failed' },
      { key: 'canceled', label: 'Canceled' },
    ];
  }

  @tracked pageSize = this.userSettings.pageSize;
  @tracked nextToken = null;
  @tracked previousTokens = [];
  @tracked status = null;

  @action
  onChange(newPageSize) {
    this.pageSize = newPageSize;
  }

  @action
  onNext(nextToken) {
    this.previousTokens = [...this.previousTokens, this.nextToken];
    this.nextToken = nextToken;
  }

  @action
  onPrev() {
    const lastToken = this.previousTokens.pop();
    this.previousTokens = [...this.previousTokens];
    this.nextToken = lastToken;
  }

  @action
  refresh() {
    this._resetTokens();
    this.status = null;
    this.pageSize = this.userSettings.pageSize;
  }

  @action
  setStatus(selection) {
    this._resetTokens();
    this.status = selection;
  }

  _resetTokens() {
    this.nextToken = null;
    this.previousTokens = [];
  }
}